Plugs for Water | McMaster-Carr

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	Type Type

Reducing
Adapter

	Material Material

Stainless
Steel

	Drive Style Drive Style


External Hex	Hex

External Square	Square

Slotted

	Pipe Size Pipe Size

1/16
1/8
1/4
3/8
1/2
5/8
3/4
1
1 1/4
1 1/2
2
2 1/2
3
3 1/2
4
5
6
8
10
12

	Thread Type Thread Type

Chicago Fire
Department

UNJ/UNJF
(Tube End)

	System of Measurement System of Measurement

	Shape Shape


90° Elbow	Cap/Plug

Straight

	For Use With For Use With	Show

	For Use With For Use With	Hide

Warning: Products have one, but not necessarily all, of the selected characteristics.

Alcohol-Based Solvents

Ammonium Hydroxide

Anhydrous Ammonia

Calcium Chloride

Deionized Water

Ethylene Glycol

Hydraulic Fluid

Hydrochloric Acid

Isopropyl Alcohol

Liquid Nitrogen

Magnesium Chloride

Mineral Spirits

Pharmaceuticals

Phosphoric Acid

Pipe and Tubing

Propylene Glycol

Sodium Carbonate

Sodium Chloride

Sodium Hydroxide

Wire, Cable, and Cords

	For Pipe Material For Pipe Material

Stainless
Steel

	Maximum Pressure Maximum Pressure

10 psi @ 70° F

20 psi @ 70° F

25 psi @ 70° F

30 psi @ 70° F

50 psi @ 70° F

60 psi @ 70° F

75 psi @ 70° F

90 psi @ 70° F

100 psi @ 70° F

125 psi @ 70° F

150 psi @ 70° F

175 psi @ 70° F

180 psi @ 70° F

200 psi @ 70° F

225 psi @ 70° F

230 psi @ 70° F

250 psi @ 70° F

290 psi @ 70° F

360 psi @ 70° F

415 psi @ 70° F

500 psi @ 70° F

675 psi @ 70° F

725 psi @ 70° F

750 psi @ 70° F

1,000 psi @ 70° F

1,250 psi @ 70° F

1,400 psi @ 70° F

1,500 psi @ 70° F

1,750 psi @ 70° F

1,850 psi @ 70° F

2,000 psi @ 70° F

40 psi @ 72° F

50 psi @ 72° F

75 psi @ 72° F

90 psi @ 72° F

100 psi @ 72° F

110 psi @ 72° F

120 psi @ 72° F

125 psi @ 72° F

130 psi @ 72° F

140 psi @ 72° F

145 psi @ 72° F

150 psi @ 72° F

160 psi @ 72° F

165 psi @ 72° F

175 psi @ 72° F

185 psi @ 72° F

200 psi @ 72° F

225 psi @ 72° F

230 psi @ 72° F

235 psi @ 72° F

240 psi @ 72° F

250 psi @ 72° F

285 psi @ 72° F

300 psi @ 72° F

310 psi @ 72° F

350 psi @ 72° F

400 psi @ 72° F

435 psi @ 72° F

450 psi @ 72° F

500 psi @ 72° F

550 psi @ 72° F

600 psi @ 72° F

650 psi @ 72° F

700 psi @ 72° F

750 psi @ 72° F

800 psi @ 72° F

870 psi @ 72° F

900 psi @ 72° F

1,000 psi @ 72° F

1,160 psi @ 72° F

1,200 psi @ 72° F

1,300 psi @ 72° F

1400 psi @ 72° F

1,500 psi @ 72° F

1,600 psi @ 72° F

1,700 psi @ 72° F

1,800 psi @ 72° F

1900 psi @ 72° F

2,000 psi @ 72° F

2,030 psi @ 72° F

2,100 psi @ 72° F

2,200 psi @ 72° F

2,300 psi @ 72° F

2,400 psi @ 72° F

2,500 psi @ 72° F

2,600 psi @ 72° F

2,700 psi @ 72° F

2,900 psi @ 72° F

3,000 psi @ 72° F

3,200 psi @ 72° F

3,300 psi @ 72° F

3,500 psi @ 72° F

3,600 psi @ 72° F

3,700 psi @ 72° F

3,800 psi @ 72° F

3,900 psi @ 72° F

4,000 psi @ 72° F

4,100 psi @ 72° F

4,200 psi @ 72° F

4,300 psi @ 72° F

4,400 psi @ 72° F

4,500 psi @ 72° F

4,600 psi @ 72° F

4,700 psi @ 72° F

4,800 psi @ 72° F

5,000 psi @ 72° F

5,200 psi @ 72° F

5,300 psi @ 72° F

5,400 psi @ 72° F

5,500 psi @ 72° F

5,600 psi @ 72° F

5,800 psi @ 72° F

6,000 psi @ 72° F

6,400 psi @ 72° F

6,600 psi @ 72° F

6,700 psi @ 72° F

6,900 psi @ 72° F

7,000 psi @ 72° F

7,100 psi @ 72° F

7,200 psi @ 72° F

7,300 psi @ 72° F

7,500 psi @ 72° F

7,600 psi @ 72° F

7,700 psi @ 72° F

8,000 psi @ 72° F

9,000 psi @ 72° F

9,100 psi @ 72° F

9,700 psi @ 72° F

10,000 psi @ 72° F

15,000 psi @ 72° F

250 psi @ 400° F

5 psi @ 1,600° F

	Gender Gender

	Connection Style Connection Style

Push to Connect

Quick Disconnect

	Thread Size Thread Size

	Length Length

	Drive Size Drive Size

	Body Shape Body Shape


Hex	Square

Round

	Specifications Met Specifications Met

3-A Sanitary Certified

AN

ANSI/ASME

ANSI/MSS

CSA

DIN

FDA Compliant

Fed. Spec.

FM

ICC

ISO

Mil. Spec.

MSS

NSF/ANSI

SAE

Soil Conservation Service

UL

Uniform Mechanical Code

UPC

USP

	Connection Type Connection Type


Hose	Pipe

Tube

	Class Class

	Plug Construction Plug Construction

Solid with Magnet

	For Pipe Schedule For Pipe Schedule


10	40

80	160

XXH

	Dash Size Dash Size

	Finish Finish

Black Zinc Plated

Molybdenum Disulfide Coated

How can we improve?

3,637 Products

Pipe, Tubing, Hose, and Fittings

Metal Pipe and Pipe Fittings

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Use to convey air, water, oil, steam, hydraulic fluid, and natural gas.

Plastic Pipe and Pipe Fittings

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Plastic pipe and pipe fittings are lighter in weight than metal pipe and pipe fittings. They are typically for low- to medium-pressure applications up to 1,000 psi.

Low-Pressure Clamp-On Connectors
for Drain, Waste, and Vent

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Tubing and Tube Fittings

Air and Water Hose Fittings

Air and Water Hose Fittings

Use these fittings in a variety of general purpose air and water applications, such as plumbing, water supply, and pneumatics.

Garden Hose Fittings

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Fire-Fighting Hose Fittings

Other Plugs

Pressure Test Fittings

When you need to test pressure, these fittings create a temporary connection point so you can attach test gauges and other test equipment.

Breather Vents

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Protect against excess vacuum and pressure in cylinders, gear boxes, enclosures, manifolds, and tanks.

Sights

Sights

See inside tanks, gear cases, bearing housings, and mixers.

Pop-Up Full-Tank Indicators

Avoid overfilling—these indicators pop up when your tank is almost full.

Easy-Grip Drainage Valves

The large knob makes these drainage valves easy to grip.

Tube Plugs for Heat Exchangers

Plug leaky internal tubes in heat exchangers with these two-piece ring and pin sets.

Corrosion-Inhibiting Rods and Pads

Also known as sacrificial anodes, these rods and pads protect tanks, water heaters, and heat exchangers from rusting by attracting corrosion that would otherwise damage equipment.

Immersion Heaters for Liquids

For the fastest and most efficient liquid heating, these heaters warm through direct contact.

Push-On Rubber Seals

Push-On Rubber Seals

A push-on grip holds these seals to the edge of a door or frame.

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The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)